"ABBOTT Seamount","31 48'N - 174 18'E","5.06","  ","* (November 1982)"
"______________________","____________________","________","__________","____________________________"
"ABRAHAM Canyon","52 37'N - 172 20'E","  ","813","*"
"______________________","____________________","________","__________","____________________________"
"ABROLHOS Bank","18 30'S - 38 30'W","5.12","  ","*"
"______________________","____________________","________","__________","____________________________"
"ABROLHOS Ridge","18 00'S - 37 00'W","  ","202","  "
"______________________","____________________","________","__________","____________________________"
"ADAK Canyon","51 25'N - 177 05'W","  ","813","*"
"______________________","____________________","________","__________","____________________________"
"ADAMS Seamount","50 01'N - 176 14'W","  ","50-813","*"
"______________________","____________________","________","__________","____________________________"
"ADARE Seamounts","70 10'S - 171 50'E","5.14","  ","  "
"  ","  ","5.18","  ","  "
"______________________","____________________","________","__________","____________________________"
"ADELAIDE Bank","6 35'S - 56 47'E","  ","70-71-73","INT Charts: (ED-1879)"
"  ","  ","  ","702-703","  "
"______________________","____________________","________","__________","____________________________"
"ADMIRAL ZENKER","  ","  ","  ","  "
"Seamount :","  ","  ","  ","  "
"See ZENKER Seamount","","","",""
"______________________","____________________","________","__________","____________________________"
"AEGIR Ridge","64 50'N - 6 15'W","5.04","  ","* (December 1983)  "
"  ","to","5.17","  ","  "
"  ","67 30'N -  2 00'W","  ","  ","  "
"______________________","____________________","________","__________","____________________________"
"AFANASY NIKITIN ","3 00'S - 83 10'E","5.09","70-71-73","* = NIKITIN Seamount"
"Seamount","  ","  ","707","  "
"______________________","____________________","________","__________","____________________________"
"AFRICANA Rise","46 00'S - 42 30'E","5.09","70-72","* = Bank"
"______________________","____________________","________","__________","____________________________"
"AFRICANA Seamount","37 15'S - 29 10'E","5.09","21-70","* = AFRICANA Seamount"
"  ","  ","  ","72-204","  "
"______________________","____________________","________","__________","____________________________"
"AGADIR Canyon","30 40'N - 11 00'W","5.08","  ","*"
"______________________","____________________","________","__________","____________________________"
"AGASSIZ Fracture","40 30'S - 138 00'W","5.11","  ","*"
"Zone","to","","",""
"","38 00'S - 125 00'W","","",""
"______________________","____________________","________","__________","____________________________"
"AGATTU Canyon","52 23'N - 172 35'E","  ","813","*"
"______________________","____________________","________","__________","____________________________"
"AGERHOLM Seamount","34 25'N - 135 35'W","  ","50-51","*"
"______________________","____________________","________","__________","____________________________"
"AGRIA Bank","16 30'N - 72 05'E","  ","705","  "
"______________________","____________________","________","__________","____________________________"
"AGUILAS Seamount","37 15'N - 0 42'W","  ","301","  "
"______________________","____________________","________","__________","____________________________"
"AGULHAS Bank","35 20'S - 20 45'E","5.09","204","*"
"______________________","____________________","________","__________","____________________________"
"AGULHAS Basin","46 S - 10 E","5.09","70-72","*"
"  ","to","5.16","  ","  "
"  ","46 S - 30 E","  ","  ","  "
"______________________","____________________","________","__________","____________________________"
"AGULHAS Plateau","40 00'S - 26 00'E","5.09","21-22","  "
"  ","  ","  ","70-72","  "
"  ","  ","  ","204","  "
"______________________","____________________","________","__________","____________________________"
"AGULHAS Ridge","43 30'S -  7 00'E","5.12","21-204","Formerly CAPE Rise"
"  ","to","5.16","  ",""
"  ","37 00'S - 18 30'E","  ","  ","  "
"______________________","____________________","________","__________","____________________________"
"AKADEMII NAUK Rise","49 30'N - 150 00'E","5.02","511","* and INT 511 = A.N.Rise"
"______________________","____________________","________","__________","____________________________"
"AKTIVNESET","62 28'N - 3 38'E","  ","101","Continental slope"
"______________________","____________________","________","__________","____________________________"
"ALAGOAS Seamounts","9 45'S - 34 15'W","  ","202-215","  "
"______________________","____________________","________","__________","____________________________"
"ALASKA Plain","55 00'N - 143 00'W","  ","50-810","*"
"______________________","____________________","________","__________","____________________________"
"ALASKA: see GULF OF","  ","  ","  ","*"
"ALASKA Seamount","  ","  ","  ","  "
"Province","","","",""
"______________________","____________________","________","__________","____________________________"
"ALBATROS Bank","22 50'N - 84 15'W","  ","402","  "
"______________________","____________________","________","__________","____________________________"
"ALBATROS Plateau","10 00'N - 103 00'W","  ","51-802","* = ALBATROSS"
"  ","  ","  ","811","  "
"______________________","____________________","________","__________","____________________________"
"ALBATROSS Bank","56 10'N - 152 20'W","  ","810","*"
"______________________","____________________","________","__________","____________________________"
"ALBATROSS Bank","17 42'N - 75 40'W","  ","400-402","* (November 1986)  "
"______________________","____________________","________","__________","____________________________"
"ALBORAN Basin","35 50'N - 4 30'W","  ","301","*"
"  ","to","  ","  ","  "
"  ","36 25'N - 1 50'W","  ","  ","  "
"______________________","____________________","________","__________","____________________________"
"ALDEN Seamount","49 05'N - 158 45'W","  ","50","*"
"______________________","____________________","________","__________","____________________________"
"ALEUTIAN Basin","57 00'N - 180 00'","5.02","50-813","*  "
"  ","  ","5.03","814","  "
"______________________","____________________","________","__________","____________________________"
"ALEUTIAN Ridge","51 30'N - 178 00'W","  ","813","*"
"______________________","____________________","________","__________","____________________________"
"ALEUTIAN Rise","50 15'N - 175 00'E","5.02","  ","* (December 1985)  "
"______________________","____________________","________","__________","____________________________"
"ALEUTIAN Terrace","50 40'N - 179 00'W","  ","50-813","*"
"______________________","____________________","________","__________","____________________________"
"ALEUTIAN Trench","54 00'N - 166 30'E","5.02","50-810","*"
"  ","to","5.03","  ","  "
"  ","54 00'N - 158 30'W","  ","  ","  "
"______________________","____________________","________","__________","____________________________"
"ALEXA Bank","11 35'S - 175 20'E","  ","604","*"
"______________________","____________________","________","__________","____________________________"
"ALEXANDER Seamount","18 57'N - 153 28'W","  ","809","*"
"______________________","____________________","________","__________","____________________________"
"ALGERIAN Basin","37 30'N - 2 00'E","5.05","301","*"
"  ","  ","  ","  ","GEBCO-SCGN/7"
"______________________","____________________","________","__________","____________________________"
"ALGERIAN-TYRRHENIAN ","38 20'N - 9 35'E","  ","301","*"
"Trough","","","",""
"______________________","____________________","________","__________","____________________________"
"ALGOL Seamount","2 15'S - 84 30'W","5.11","811","* (April 1984)"
"______________________","____________________","________","__________","____________________________"
"","","","",""
"ALICE Shoal","16 05'N - 79 22'W"," ","400-401","*"
" "," "," ","402-811"," "
"______________________","____________________","________","__________","____________________________"
"ALIDADE Bank","35 44'N - 1 25'W"," ","301","*"
"______________________","____________________","________","__________","____________________________"
"ALIX Seamount","17 30'S - 61 20'E","5.09","70-71-72","* (April 1986) "
" "," "," ","702"," "
"______________________","____________________","________","__________","____________________________"
"ALMIRANTE BROWN","45 25'S - 57 55'W","5.12","200","*"
"Canyon"," ","5.16"," "," "
"______________________","____________________","________","__________","____________________________"
"ALMIRANTE LEITE Bank","26 10'S - 35 03'E"," ","70-72","* = Knolls"
" "," "," ","701"," "
"______________________","____________________","________","__________","____________________________"
"ALMIRANTE SALDANHA ","22 20'S - 37 35'W","5.12","20-201","*"
"Seamount"," "," ","202","INT Charts = Bank"
"______________________","____________________","________","__________","____________________________"
"ALPHA Ridge","85 30'N - 120 00'W","5.17"," ","* = Cordillera."
"______________________","____________________","________","__________","____________________________"
"ALPHECCA Seamount","18 20'N - 117 08'W"," ","50-51","*"
" "," "," ","802"," "
"______________________","____________________","________","__________","____________________________"
"ALSEK Valley","58 30'N - 139 30'W"," ","50-810","*"
"______________________","____________________","________","__________","____________________________"
"ALTAIR Seamount","44 35'N - 33 50'W","5.08","11-13-14","*"
" "," "," ","103"," "
"______________________","____________________","________","__________","____________________________"
"ALULA-FARTAK Trench","13 00'N - 51 10'E","5.05","705","*"
" ","to"," "," ","GEBCO-SCGN/6"
" ","14 50'N - 52 20'E"," "," "," "
"______________________","____________________","________","__________","____________________________"
"ALVARADO Ridge","5 20'S - 83 30'W","5.11"," ","*"
"______________________","____________________","________","__________","____________________________"
"AMAMI Plateau","28 10'N - 132 10'E"," ","509","*"
"______________________","____________________","________","__________","____________________________"
"AMAZON Canyon","3 30'N - 48 30'W","5.08"," ","* = Canyons."
" "," ","5.12"," "," "
"______________________","____________________","________","__________","____________________________"
"AMAZON Cone","4 30'N - 46 45'W","5.08","12-216","* and INT 12 = Fan."
" "," ","5.12"," ","GEBCO : should be Fan. "
"______________________","____________________","________","__________","____________________________"
"AMEGHINO Canyon","43 20'S - 57 20'W","5.12","200","*"
"______________________","____________________","________","__________","____________________________"
"AMERICA-ANTARCTIC","60 15' - 20 00'W","5.16"," "," "
"Ridge","to"," "," "," "
" ","56 00'S -  4 30'W"," "," "," "
"______________________","____________________","________","__________","____________________________"
"AMERICA : see"," "," "," "," "
"LITTLE AMERICA Basin,",""," "," "," "
"MIDDLE AMERICA Trench."," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"AMERY Basin","68 15'S - 74 30'E","5.13"," "," "
"______________________","____________________","________","__________","____________________________"
"AMIRANTE Bank","5 45'S - 53 15'E","5.09"," ","*"
"______________________","____________________","________","__________","____________________________"
"AMIRANTE Basin","7 00'S - 54 30'E"," ","702-703","*"
"______________________","____________________","________","__________","____________________________"
"AMIRANTE Trench","8 00'S - 52 40'E","5.09","701-702","*"
"______________________","____________________","________","__________","____________________________"
"AMLIA Basin","52 30'N - 173 00'W"," ","813","*"
"______________________","____________________","________","__________","____________________________"
"AMLIA Canyon","52 54'N - 173 15'W"," ","813","*"
"______________________","____________________","________","__________","____________________________"
"AMLIA Knoll","53 05'N - 173 53'W","","813","*"
"______________________","____________________","________","__________","____________________________"
"AMPERE Seamount","35 05'N - 12 55'W","5.08","11-12-14","*"
" "," "," ","103-104"," "
"______________________","____________________","________","__________","____________________________"
"AMUKTA Canyon","53 10'N - 171 45'W"," ","813","*"
"______________________","____________________","________","__________","____________________________"
"AMUNDSEN Abyssal","65 00'S - 125 00'W","5.15"," "," "
" Plain"," ","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"AMUNDSEN Basin","87 00'N -  10 00'W","5.17"," ","*"
" ","to"," "," "," "
" ","82 00'N - 130 00'E"," "," "," "
"______________________","____________________","________","__________","____________________________"
"AMUNDSEN Ridges","69 15'S - 123 00'W","5.15"," "," "
" "," ","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"AMUNDSEN Trough","70 30'N - 123 00'W","5.03"," ","* (January 1985)"
" "," ","5.17"," "," "
"______________________","____________________","________","__________","____________________________"
"ANDAMAN Basin","10 30'N - 94 30'E","5.05","706","*"
" "," ","5.06"," "," "
"______________________","____________________","________","__________","____________________________"
"ANDAMAN-NICOBAR Ridge","12 00'N - 93 00'E"," ","706","*"
"______________________","____________________","________","__________","____________________________"
"ANDREW BAIN ","51 00'S - 28 52'E","5.09"," ","GEBCO-SCGN/6"
"Fracture Zone","to"," "," "," "
" ","41 00'S - 35 21'E"," "," "," "
"______________________","____________________","________","__________","____________________________"
"ANDREW Tablemount","6 45'N - 50 30'E"," ","71-72","*"
" "," "," ","703"," "
"______________________","____________________","________","__________","____________________________"
"ANGOLA Abyssal Plain","12 45'S - 2 00'E","5.12"," ","* = Plain"
"______________________","____________________","________","__________","____________________________"
"ANGOLA Basin","9 00'S - 3 00'E","5.12","14-21","*"
" ","to"," ","22-203"," "
" ","21 00'S - 1 00'E"," ","204-209"," "
"______________________","____________________","________","__________","____________________________"
"ANIMAL Basin","31 20'N - 117 35'W"," ","802","*"
"______________________","____________________","________","__________","____________________________"
"ANNA DE KONINGH ","53 22'S - 24 59'E","5.13"," ","GEBCO-SCGN/6"
"Seamount","","","",""
"______________________","____________________","________","__________","____________________________"
"ANTALYA Canyon","36 40'N - 30 45'E","5.05"," ","* (September 1984)"
"______________________","____________________","________","__________","____________________________"
"ANTARCTIC Canyon","71 30'S - 41 15'W","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"ANTARCTIC : see"," "," "," ",""
"PACIFIC-ANTARCTIC "," "," "," "," "
"Ridge."," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"ANTARES Bank","45 11'S - 49 46'E"," ","70-72"," "
"______________________","____________________","________","__________","____________________________"
"ANTIALTAIR Seamount","43 35'N - 22 25'W"," ","11-14","*"
" "," "," ","103"," "
"______________________","____________________","________","__________","____________________________"
"ANTON BRUUN Ridge","9 00'S - 52 30'E","5.09"," ","*"
"______________________","____________________","________","__________","____________________________"
"ANTON DOHRN Seamount","57 25'N - 11 10'W","5.04","11-14","*"
" "," "," ","102"," "
"______________________","____________________","________","__________","____________________________"
"APPLEQUIST Seamount","55 25'N - 142 45'W"," ","50-810","*"
"______________________","____________________","________","__________","____________________________"
"APUUPUU Seamount","18 34'N - 155 28'W"," ","809","*"
"______________________","____________________","________","__________","____________________________"
"AQUARIUS Seachannel","48 15'N - 157 15'W","5.03"," ","GEBCO-SCGN/6"
" ","to"," "," "," "
" ","53 00'N - 155 20'W"," "," "," "
"______________________","____________________","________","__________","____________________________"
"ARABIAN Basin","12 00'N - 65 00'E","5.05","71-72-73","*"
" "," "," ","703"," "
" "," "," ","705"," "
"______________________","____________________","________","__________","____________________________"
"ARAFURA Shelf","10 00'S - 135 00'E","5.10"," ","*"
"______________________","____________________","________","__________","____________________________"
"ARCTIC MID OCEAN "," "," "," ","GEBCO-SCGN/7"
"Ridge :"," "," "," "," "
"see GAKKEL Ridge","","","",""
"______________________","____________________","________","__________","____________________________"
"ARENA Canyon","38 58'N - 124 07'W"," ","801","*"
"______________________","____________________","________","__________","____________________________"
"ARGENTINE Abyssal","47 00'S - 53 30'W","5.12","20-201","* = Plain"
"Plain","to","5.16"," ","GEBCO-SCGN/7"
" ","48 00'S - 46 00'W"," "," "," "
"______________________","____________________","________","__________","____________________________"
"ARGENTINE Basin","43 00'S - 43 00'W","5.12","22-200","*"
" "," ","5.16"," "," "
"______________________","____________________","________","__________","____________________________"
"ARGENTINA Rise","42 00'S - 47 30'W","5.12"," "," "
"______________________","____________________","________","__________","____________________________"
"ARGENTINA Seamount","37 40'S - 18 10'E","5.12","21-22","*"
" "," "," ","72-204"," "
"______________________","____________________","________","__________","____________________________"
"ARGO Bank","23 15'S - 159 30'E","5.10","60-602","* (November 1986) "
"______________________","____________________","________","__________","____________________________"
"ARGO Fracture","16 00'S - 63 00'E","5.09"," ","*"
"Zone","to","","",""
"","11 00'S - 69 00'E","","",""
"______________________","____________________","________","__________","____________________________"
"ARGO Plain","14 30'S - 116 00'E","5.10"," ","*"
" "," "," "," ","GEBCO-SCGN/7"
"______________________","____________________","________","__________","____________________________"
"ARGUELLO Canyon","34 21'N - 121 05'W"," ","801","*"
"______________________","____________________","________","__________","____________________________"
"ARGUELLO Terrace","34 30'N - 120 55'W"," ","802","*"
"______________________","____________________","________","__________","____________________________"
"ARROWSMITH Bank","21 05'N - 86 28'W"," ","400-401","*"
" "," "," ",""," "
"______________________","____________________","________","__________","____________________________"
"ARUBA Gap","13 45'N - 72 00'W"," ","12-13","*"
" "," "," ","400-402"," "
"______________________","____________________","________","__________","____________________________"
"ARU Basin","5 30'S - 133 45'E","5.10"," ","*"
"______________________","____________________","________","__________","____________________________"
"ASCENSION Fracture","7 45'S - 18 30'W","5.12","","*"
"Zone","to","","",""
"","6 00'S - 8 15'W","","",""
"______________________","____________________","________","__________","____________________________"
"ASHTON Seamount","38 00'N - 13 20'W"," ","103","*"
"______________________","____________________","________","__________","____________________________"
"ASQUITH Bank","8 45'S - 47 10'E","5.09","701","GEBCO-SCGN/6 = replaces"
"","","","702","WILKES Rise"
"______________________","____________________","________","__________","____________________________"
"ASTERIAS Seamount","38 54'N - 65 18'W"," ","403","*"
"______________________","____________________","________","__________","____________________________"
"ASTORIA Canyon","46 15'N - 124 30'W"," ","801","*"
"______________________","____________________","________","__________","____________________________"
"ASTORIA Fan","45 15'N - 126 15'W","5.07","50-801","*"
"______________________","____________________","________","__________","____________________________"
"ASTRID Ridge","68 00'S - 11 30'E","5.16"," ","* (June 1987) "
" "," ","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"ATKA Basin","51 20'N - 174 00'W"," ","813","*"
"______________________","____________________","________","__________","____________________________"
"ATKA Seamount","50 16'N - 175 10'W"," ","50-813","*"
"______________________","____________________","________","__________","____________________________"
"ATLANTIC : see "," "," "," "," "
"MID-ATLANTIC Ridge &"," "," "," "," "
"NORTHWEST ATLANTIC"," "," "," "," "
"MID-OCEAN Channel","","","",""
"______________________","____________________","________","__________","____________________________"
"ATLANTIS Fracture","30 45'N - 45 30'W","5.08"," ","*"
"Zone","to","","",""
"","29 00'N - 37 00'W","","",""
"______________________","____________________","________","__________","____________________________"
"ATLANTIC Seamount","34 05'N - 30 15'W","5.08","11-12","*"
" "," "," ","14"," "
"______________________","____________________","________","__________","____________________________"
"ATLANTIS II","29 30'S - 57 30'E","5.09"," ","*"
"Fracture Zone","to","","",""
"","37 00'S - 57 15'E","","",""
"______________________","____________________","________","__________","____________________________"
"ATWATER Valley","27 30'N - 87 30'W","5.08"," ","* (November 1982)"
"______________________","____________________","________","__________","____________________________"
"AURORA Canyon","65 00'S - 49 30'W","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"AUSTRAL ","20 30'S - 130 00'W","5.11 ","","*"
"Fracture Zone","to","","",""
"","18 30'S - 123 00'W","","",""
"______________________","____________________","________","__________","____________________________"
"AUSTRALIA : see"," "," "," "," "
"NORTH AUSTRALIA "," "," "," "," "
"Basin and","","","",""
"SOUTH AUSTRALIA"," "," "," "," "
"Basin","","","",""
"______________________","____________________","________","__________","____________________________"
"AUSTRALIAN-ANTARCTIC","58 00'S - 115 00'E","5.13"," ","* = SOUTH INDIAN Basin"
"Basin","58 00'S - 135 00'E"," "," ","GEBCO-SCGN/7"
"______________________","____________________","________","__________","____________________________"
"AUSTRALIAN-ANTARCTIC","49 00'S - 124 00'E","5.14"," "," "
"Discordance"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"AVENZOAR Bank","36 30'N - 2 22'W","301"," "," "
"______________________","____________________","________","__________","____________________________"
"AVES Ridge","13 00'N - 63 30'W","5.08","400-402","*"
"______________________","____________________","________","__________","____________________________"
"AZORES-BISCAY Rise","43 30'N - 17 30'W","5.08"," ","*"
"______________________","____________________","________","__________","____________________________"
"AZORES :"," "," "," "," "
"see EAST AZORES ","","","",""
"Fracture Zone.","","","",""
"______________________","____________________","________","__________","____________________________"